Active transport Review 2018

What is the difference between active and passive transport?

• Active transport requires energy; passive transport does not

• Active transport moves molecules across cell membranes; passive transport does not

• Active transport involves oxygen and water molecules; passive transport does not

• Active transport occurs only in nerve cells; passive transport occurs in all the body's cells

The cell membrane is semi-permeable. What does "permeable" mean?

• Extremely thick

• Extremely thin

• Able to be penetrated

• Able to be broken

What does it mean when substances move "down a concentration gradient?" Choose the best answer

• They move from areas where there are few particles to areas where there are lots of particles

• They move from areas with lots of water to areas where there is little water

• They move from one side of a cell membrane to the other

• They move from areas where there are a lot of particles to areas where there are few particles

If you were looking for transport proteins, where would you find them?

• Inside a cell's nucleus

• Lodged within a cell's membrane

• Inside a cell's cytoplasm

• Inside a cell's endoplasmic reticulum

What is diffusion?

• The movement of particles from low concentration to high concentration

• The movement of particles from high concentration to low concentration

• Active movement of particles, requiring energy from respiration

What is osmosis?

• The overall movement of water, through a partially permeable membrane, from a region of low solute concentration to a region of high solute concentration

• The overall movement of water, through a partially permeable membrane, from a region of high solute concentration to a region of low solute concentration

• The overall movement of water, through a partially permeable membrane, from a region of low water concentration to a region of high water concentration

Which type of transport requires an input of energy?

• Passive Transport
• Osmosis
• Simple Diffusion
• Active Transport

What is the difference between active and passive transport?

• Active does not need energy and passive uses ATP (energy)
• Active uses ATP (energy) and passive does not need energy
• Active stores transport proteins and passive releases 
• Active uses hormones and passive does not 

What does this diagram BEST represent?

• Diffusion

• Active Transport

• Osmosis

What does this diagram BEST represent?

• Diffusion

• Active Transport

• Osmosis